Reina has tracked down the organization of an evil pharmaceutical company that has developed a dangerous aphrodisiac and is terrorizing women all over the world. Reina, who tends to act impulsively due to her sense of justice, ignores her superiors' orders and sets out on her own to investigate. She goes undercover as an advertising writer, but her true identity is discovered... She is given an ultra-powerful aphrodisiac that is still in development, her body becomes incredibly sensitive, and she is gang-raped to orgasm...!